Lunchtime crowds fill Bobby's Burger Palace. (By Mark Gail/The Washington Post)

Tim Carman’s cover story in today’s Food section takes a look at Bert Gall and the Institute for Justice, an Arlington-based, self-described “libertarian public-interest law firm,” which launched a new National Street Vending Initiative early this year in Texas. The firm is making a free-enterprise argument supporting the rights of streetside vendors, and its points seem to be sticking. While so far the group’s efforts have been focused on other cities around the country, some of the victories may have benefits for local food trucks.

Also in the section today:

Tom Sietsema sits down for an early bite at Bobby’s Burger Palace, and although he likes the restaurant’s sleek curves and comfortable-yet-cool design, he’s far less enamored with what’s on his plate.

At the Wicked Waffle downtown, Tim Carman finds split waffles make surprisingly good sandwich vehicles -- as long as you can get them back to your office and consume them quickly.

Andreas Viestad examines the art of DIY yogurt in The Gastronomer.

Sally Sampson suggests ways to pack a better school lunch.

Daniel Fromson uncovers opportunists reselling craft beer at elevated prices.

And has the screw cap won a major battle in the war against cork for wine-stoppage superiority? Dave McIntyre reports on a recent study that seems to say just that.